US9452611B2 - Holding member for liquid storage container, liquid ejection head, and printer - Google Patents

Holding member for liquid storage container, liquid ejection head, and printer Download PDF

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Publication number
US9452611B2
US9452611B2 US14/830,160 US201514830160A US9452611B2 US 9452611 B2 US9452611 B2 US 9452611B2 US 201514830160 A US201514830160 A US 201514830160A US 9452611 B2 US9452611 B2 US 9452611B2
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US
United States
Prior art keywords
storage container
liquid storage
liquid
holding member
mounting portion
Prior art date
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Active
Application number
US14/830,160
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English (en)
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US20160052283A1 (en
Inventor
Satoshi Kimura
Tomotsugu Kuroda
Kyosuke Toda
Naoko Tsujiuchi
Kiyomitsu Kudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Assigned to CANON KABUSHIKI KAISHA reassignment CANON KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KIMURA, SATOSHI, KUDO, KIYOMITSU, KURODA, TOMOTSUGU, TODA, KYOSUKE, TSUJIUCHI, NAOKO
Publication of US20160052283A1 publication Critical patent/US20160052283A1/en
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Publication of US9452611B2 publication Critical patent/US9452611B2/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/1752—Mounting within the printer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/1752—Mounting within the printer
    • B41J2/17523—Ink connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17553—Outer structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/02—Framework

Definitions

  • the present invention relates to a printer performing printing by applying a liquid on a medium, and more specifically to a holding member for a liquid storage container for removably mounting the liquid storage container which supplies the liquid to be applied.
  • a printer which has a holding member for removably mounting a liquid storage container and which performs printing with a liquid supplied from the liquid storage container mounted on the holding member has been known.
  • Japanese Patent Laid-Open No. 2008-110577 discloses a holding member for a liquid storage container for use in a liquid ejection head for applying a liquid on a medium.
  • the holding member and the liquid storage container have a liquid supply needle which is to be inserted into the liquid storage container and a liquid supply port into which the liquid supply needle is inserted, respectively.
  • the liquid supply needle of the holding member inserted into the liquid supply port of the liquid storage container, the liquid is supplied to the liquid ejection head. Inserting the liquid storage container into an interior space of the holding member to engage both the liquid supply mechanisms with each other at a locking position enables the supply of the liquid.
  • the holding member has a locking member, for example, in a shape of a nail, so as to lock the liquid storage container at the locking position, and the liquid storage container has a complementary locking mechanism such as an engagement member, for example, in a shape of a recess, which engages with the locking member.
  • the inner dimension of the holding member into which the liquid storage container is inserted is formed to be larger than the outer dimension of the liquid storage container, which creates a space between an outer surface of the liquid storage container and an inner surface facing thereto of the holding member.
  • the liquid storage container can be inserted with inclination relative to an intended direction of insertion and bumps into an inner wall of the holding member with a posture which does not allow the locking mechanisms to engage with each other, thus occasionally failing to be mounted.
  • An object of the present invention is to provide a holding member for a liquid storage container, in which mounting of the liquid storage container can be performed by surely inserting the liquid storage container to the locking position irrespective of the direction of pressing at the time of insertion, and a liquid ejection head and a printer which use the holding member.
  • a holding member for a liquid storage container of the present invention for achieving the above object includes: a mounting portion for removably mounting the liquid storage container through an opening along a predetermined direction; and a locking member for locking the mounted liquid storage container to the mounting portion by being fitted to the liquid storage container, wherein the mounting portion has a regulating portion for regulating inclination of a posture of the liquid storage container relative to the predetermined direction at the time of mounting the liquid storage container, the regulating portion being a portion provided such that a space between an inner surface of the mounting portion and an outer surface facing thereto of the liquid storage container is partially narrowed along a direction of insertion.
  • mounting of the liquid storage container can be performed by surely inserting the liquid storage container to the locking position irrespective of the direction of pressing at the time of insertion.
  • FIG. 1A is a schematic perspective view of a head according to an embodiment
  • FIG. 1B is an enlarged view of a portion Ib indicated in FIG. 1A ;
  • FIG. 2 is a perspective view of a liquid storage container for use in the head according to the embodiment
  • FIGS. 3A to 3C are schematic views explaining mounting of the liquid storage container on the head according to the embodiment.
  • FIG. 4 is a schematic view of a state in the middle of inserting the liquid storage container into the head according to the embodiment
  • FIG. 5 is a schematic view explaining mounting of a liquid storage container on a traditional head.
  • FIG. 6 is a schematic perspective view showing an example of a printer according to the embodiment.
  • FIG. 6 is a schematic perspective view showing an example of a printer according to an embodiment of the present invention.
  • a printer 100 adopts an ink jet system in which printing is performed by ejecting a liquid such as ink through a nozzle unit of a liquid ejection head (hereinafter also referred to simply as a head) 101 .
  • the printer 100 has a guide rail 110 and a carriage 120 which performs scanning along the guide rail 110 in a direction indicated by an arrow X (a direction X) in the drawing.
  • the carriage 120 is mounted with the head 101 such that the nozzle unit faces a medium on which printing is performed.
  • the printer 100 ejects, from the head 101 , a liquid such as ink in a direction (a direction ⁇ Z) opposite to a direction (a direction Z) indicated by an arrow Z while causing the carriage 120 to perform scanning, thereby applying the liquid on the medium which faces the head 101 .
  • the medium is conveyed, by a conveyance unit (not shown), in a conveyance direction (a direction Y) indicated by an arrow Y in the drawing.
  • the application of the liquid on the medium and conveyance of the medium are appropriately performed so as to print an image on the medium.
  • FIG. 1A is a schematic perspective view of the liquid ejection head according to the embodiment of the present invention and FIG. 1B is an enlarged view of a portion indicated by a square Ib enclosed with a dashed line in FIG. 1A .
  • the liquid ejection head (hereinafter also referred to simply as the head) 101 adopts the ink jet system and has a nozzle unit 102 for ejecting a liquid and a holding member (a mounting portion) 104 for holding a liquid storage container which stores the liquid to be ejected.
  • the head 101 ejects, through the nozzle unit 102 in which apertures of nozzles are arranged, a liquid such as ink onto a medium such as paper which is positioned facing the nozzle unit 102 to apply the liquid and print an image on the medium.
  • the holding member 104 has an opening and interior space for insertion of the liquid storage container.
  • the liquid storage container which stores the liquid to be supplied to the nozzle unit 102 is removably mounted along a predetermined direction.
  • the holding member 104 has a locking member 103 for locking the mounted liquid storage container at a locking position by performing, for example, fitting, and a regulating portion 107 for regulating a posture of the liquid storage container at the time of insertion of the liquid storage container to the locking position.
  • FIG. 2 is a perspective view showing an example of the liquid storage container removably mounted on the holding member 104 of the liquid ejection head 101 according to the embodiment of the present invention.
  • a liquid storage container 201 is substantially in a cuboid shape, one of the sides thereof having a recess 202 which creates a locking state by engaging with the locking member 103 at the locking position, once the liquid storage container 201 is inserted into the holding member 104 .
  • the liquid storage container 201 is inserted through the opening of the holding member 104 in a direction indicated by an arrow A in the drawing to be mounted on the interior space of the holding member 104 .
  • FIGS. 3A to 3C and FIG. 4 are schematic cross-sectional views explaining mounting of the liquid storage container 201 on the holding member 104 according to the embodiment of the present invention.
  • FIG. 3A shows a state in which the liquid storage container 201 is mounted on the holding member 104 according to the embodiment of the present invention.
  • the holding member 104 has a biasing member 106 which biases the inserted liquid storage container 201 toward a direction (a direction ⁇ A) opposite to a direction of insertion (a direction A) indicated by an arrow A.
  • the biasing member 106 may be, for example, a coil spring.
  • the locking member 103 falls down into the recess 202 of the liquid storage container 201 , thereby bringing the locking member 103 and the recess 202 into a loose-fit state.
  • the liquid storage container 201 is biased, by the biasing member 106 , toward the direction (the direction ⁇ A) opposite to the direction of insertion, and whereby the recess 202 of the liquid storage container 201 and the locking member 103 , which are in the loose-fit state, are brought into abutment with each other to be locked so as to maintain the state of mounting.
  • a position of the locking member 103 at this time is called a lock position
  • a position of the locking member 103 in a state in which the liquid storage container 201 is insertable into and removable from the holding member 104 is called a lock releasing position.
  • the locking member 103 may be manually moved from the lock position to the lock releasing position.
  • the head 101 has a liquid supply needle 105 on an inner surface on a rear side in the holding member 104 in the direction of insertion (the direction A) of the liquid storage container 201 .
  • the liquid supply needle 105 is inserted into a liquid supply port of the liquid storage container 201 so as to be capable of being in fluid communication and supplies the liquid in the liquid storage container 201 into the head 101 .
  • the liquid supplied into the head 101 is led to the nozzle unit 102 to be ejected through the nozzle unit 102 in accordance with an electrical signal.
  • FIG. 3B shows a state in the middle of mounting the liquid storage container 201 on the holding member 104 according to the embodiment of the present invention.
  • the liquid storage container 201 is inserted, through the opening of the holding member 104 , into the interior space of the holding member 104 .
  • the holding member 104 is provided with the locking member 103 , in such a manner as to project inwardly, on the side of a surface (an inner wall) thereof facing a surface with the recess of the liquid storage container 201 to be inserted and the interior of the holding member 104 is provided with the regulating portion 107 on a surface (a bottom surface of the inner wall) thereof opposite to the surface (an upper surface of the inner wall) thereof on the side of which the locking member 103 is provided.
  • the regulating portion 107 is preferably provided on a surface (the inner wall) of the holding member 104 , the surface facing a lower surface of the liquid storage container 201 in the gravity direction in the posture in use. In a case where the liquid storage container 201 is inserted into the interior space of the holding member 104 , the inner wall of the holding member 104 and the regulating portion 107 provided thereon regulate the posture of the liquid storage container 201 .
  • FIG. 3C shows a state in which the liquid storage container 201 is mounted with inclination relative to the holding member 104 according to the embodiment of the present invention.
  • the regulating portion 107 of the holding member 104 regulates the posture of the liquid storage container 201 during the process of inserting the liquid storage container 201 into the holding member, that is, more specifically, an inclination angle of the posture relative to the direction of insertion (the direction A). As shown in FIG. 3C , by regulating the inclination angle to be smaller, even if the liquid storage container 201 is in an inclined posture, the liquid storage container 201 can be inserted to the locking position before contacting the inner wall of the holding member 104 on the rear side in the direction of insertion.
  • FIG. 5 shows a liquid ejection head 501 of an example of prior art. Since a holding member 504 of a liquid ejection head 501 of the example of prior art does not have the regulating portion 107 , in a case where the posture of the liquid storage container 201 is inclined relative to the direction of insertion (the direction A) by pressing at the time of insertion, the inclination may become relatively larger as compared to that of the embodiment of the present invention.
  • the liquid storage container 201 In a case where the inclination is large, even if the liquid storage container 201 reaches an inner wall on a rear side in the holding member 504 by pressing, the liquid storage container 201 cannot reach a position where the locking member 103 can be fitted to the recess 202 , and creates a state in which the locking member 103 cannot be fitted to the recess 202 . Meanwhile, in the embodiment of the present invention, by having the regulating portion 107 for regulating the posture of the liquid storage container 201 during the process of insertion, such a state can be avoided.
  • the regulating portion 107 of the present invention regulates, during the process of inserting the liquid storage container 201 into the holding member 104 , the posture of the liquid storage container 201 such that the inclination angle relative to the direction of insertion becomes small.
  • the regulating portion 107 is provided as a portion projecting inwardly in the interior space of the holding member into which the liquid storage container is inserted so as to reduce partially, along the direction of insertion, the space between an outer surface of the liquid storage container 201 and an inner surface of the holding member 104 facing thereto.
  • the regulating portion 107 is provided such that the cross-sectional area of the interior space through which the liquid storage container passes is smaller than the area of an opening face of the opening of the holding member 104 in a region where the regulating portion 107 is located.
  • the regulating portion 107 is provided on a near side of the locking member 103 in the direction of insertion (the direction A). Further, the regulating portion 107 is provided as a projection having a highest projecting portion in a region between the opening face of the opening of the holding member 104 and the inner wall on the rear side, in the direction of insertion, in the holding member 104 .
  • the highest projecting portion of the regulating portion 107 is located on a rear side than the opening face of the opening of the holding member 104 .
  • the regulating portion 107 is preferably formed in a slope in which the height thereof gradually increases toward the direction of insertion, from an opening face side thereof to the highest projecting portion in an area where the regulating portion 107 is located.
  • the regulating portion 107 of the present invention is preferably provided in a form such that an area contacting the liquid storage container 201 to be inserted is as small as possible to reduce the sliding resistance.
  • the highest projecting portion of the regulating portion 107 of the present invention is preferably partially provided in a direction crossing the direction of insertion (the direction A).
  • one regulating portion 107 may be provided as a portion having a geometry such as a slit, groove, or dot on the surface thereof.
  • a plurality of regulating portions 107 may be provided by arranging the regulating portions in such a form as a platform and a rib.
  • the regulating portion 107 according to the present embodiment is provided as one or two projections for each of the liquid storage containers in the direction crossing the direction of insertion (the direction A).
  • the regulating portion 107 of the present invention may be provided in such a manner as to project within the width of the liquid storage container in the direction crossing the direction of insertion (the direction A) in the area where the regulating portion is located.
  • the regulating portion 107 may be provided partially on a center portion within the width of the liquid storage container, thereby suppressing the resistance at the time of mounting.
  • the regulating portion 107 may also be plurally provided within the width of the liquid storage container and the plurality of regulating portions 107 may be provided in positions symmetrically in the width direction of the liquid storage container.
  • the number of the regulating portions 107 and the number of the highest projecting portions of the regulating portion 107 are not limited.
  • the highest projecting portion of the regulating portion 107 of the present invention may be continuously or discontinuously provided through to the rear side in the direction of insertion of the holding member 104 with respect to the direction of insertion (the direction A). That is, an embodiment in which the highest projecting portion of the regulating portion 107 extends (for example, a platform shape, a rib shape, and the like) within a region Y shown in FIG. 4 may be possible.
  • the highest projecting portion of the regulating portion 107 is preferably provided partially in the direction of insertion (the direction A).
  • the regulating portion 107 is provided as a projection partially projecting. Therefore, with respect to the direction of insertion (the direction A), a portion on the rear side (the region Y) relative to the highest projecting portion of the regulating portion 107 as well as a portion on the near side (a region X) relative to the regulating portion 107 has the larger cross-sectional area of the interior space through which the liquid storage container passes as compared to the cross-sectional area of the area where the regulating portion 107 is located.
  • the regulating portion 107 since the regulating portion 107 less contacts the liquid storage container 201 in the direction of insertion, a phenomenon in which the motion of the liquid storage container 201 is regulated to be small due to a reduced space between the liquid storage container 201 and the holding member 104 is suppressed.
  • the regulating portion partially projecting allows the direction of insertion of the liquid storage container 201 to be altered in the middle of insertion. That is, the liquid storage container 201 contacts the highest projecting portion of the regulating portion 107 and can vary, having the contact point as a support point, the inclination of the posture relative to the original direction of insertion.
  • the liquid storage container 201 can be inserted while the inclination of the posture thereof relative to the holding member 104 is finely adjusted, and thus can easily reach the locking position where the locking member 103 can be fitted to the recess 202 .
  • the inclination of the posture of the liquid storage container 201 relative to the direction of insertion can be reduced during the process of insertion, and whereby even in a case where the inner dimension of the holding member is made relatively larger than the outer dimension of the liquid storage container for easier mounting, the angle of insertion of the liquid storage container can be regulated, thereby enabling the mounting of the liquid storage container with accuracy. Further, before the liquid storage container 201 bumps into the rear end of the holding member 104 , the locking member 103 can be fitted to the recess 202 .
  • mounting of the liquid storage container can be performed by surely inserting the liquid storage container to the locking position irrespective of the direction of pressing at the time of insertion.

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US14/830,160 2014-08-25 2015-08-19 Holding member for liquid storage container, liquid ejection head, and printer Active US9452611B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014170353A JP6512774B2 (ja) 2014-08-25 2014-08-25 液体収納容器の保持部材、プリントヘッドおよびプリンタ
JP2014-170353 2014-08-25

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US20160052283A1 US20160052283A1 (en) 2016-02-25
US9452611B2 true US9452611B2 (en) 2016-09-27

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US (1) US9452611B2 (zh)
JP (1) JP6512774B2 (zh)
CN (1) CN105383167B (zh)

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MX2020010777A (es) 2018-07-13 2020-12-10 Hewlett Packard Development Co Suministro de liquido de impresion.
US11597209B2 (en) 2018-07-13 2023-03-07 Hewlett-Packard Development Company, L.P. Clamp plates with wedge-shaped fork ends for a print liquid supply
CN111655498A (zh) 2018-07-13 2020-09-11 惠普发展公司，有限责任合伙企业 打印液体供应
CN112041173B (zh) 2018-07-13 2022-03-08 惠普发展公司，有限责任合伙企业 耦接系统
WO2020013852A1 (en) 2018-07-13 2020-01-16 Hewlett-Packard Development Company, L.P. Pliable print liquid supply reservoirs with offset spout
US11173719B2 (en) 2018-07-13 2021-11-16 Hewlett-Packard Development Company, L.P. Print liquid supply
US11186093B2 (en) 2018-07-13 2021-11-30 Hewlett-Packard Development Company, L.P. Spouts with angled clamp flanges for a print liquid supply
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CN112020438B (zh) 2018-07-13 2022-07-15 惠普发展公司，有限责任合伙企业 用于流体屏障的套环
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US20160052283A1 (en) 2016-02-25
CN105383167A (zh) 2016-03-09

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